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[86.58.29.253]) by smtp.gmail.com with ESMTPSA id hc10sm4241706ejc.99.2021.11.22.10.51.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Nov 2021 10:51:20 -0800 (PST) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: linux-media@vger.kernel.org Cc: ezequiel@vanguardiasur.com.ar, nicolas.dufresne@collabora.com, mchehab@kernel.org, robh+dt@kernel.org, mripard@kernel.org, wens@csie.org, p.zabel@pengutronix.de, andrzej.p@collabora.com, gregkh@linuxfoundation.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev Subject: Re: [PATCH 0/7] media: hantro: add Allwinner H6 support Date: Mon, 22 Nov 2021 19:51:19 +0100 Message-ID: <4666655.GXAFRqVoOG@kista> In-Reply-To: <20211122184702.768341-1-jernej.skrabec@gmail.com> References: <20211122184702.768341-1-jernej.skrabec@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211122_105122_969543_44FE65F1 X-CRM114-Status: GOOD ( 24.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Dne ponedeljek, 22. november 2021 ob 19:46:55 CET je Jernej Skrabec napisal(a): > Hi everyone! > > Here is patchset which adds support for Hantro G2 core found in Allwinner > H6 SoC. It is slightly older core, so it needs few quirks to be > implemented: > 1. It uses slightly different register layout in some cases. However, those > differences are small, so it makes sense only to add quirks. > 2. It doesn't use ring buffer for bitstream as newer variants. > 3. It needs double buffering to be enabled in order to work correctly. > 4. postproc must be enabled at the end of the job. It seems that core has > some issues with latching register values if postproc registers are set > at the beginning of the job > > legacy_regs quirk could be split into 3, like legacy_regs, ring_buffer and > late_postproc, but I didn't see the need for that. I examined vendor > sources at [1] and it suggests that legacy_regs implies no ring buffer. > > It's also unclear if core supports HEVC decoding or not. This can be > implemented later. VP9 10-bit decoding support is mentioned in manual, but > it doesn't work at the moment. This will be addressed later. > > Please take a look. > > Best regards, > Jernej > > [1] https://github.com/CliveLau1990/imx-vpu-hantro Forgot to add, this series is based on top of: https://www.spinics.net/lists/linux-media/msg202448.html Regards, Jernej > > Jernej Skrabec (7): > media: hantro: add support for reset lines > media: hantro: vp9: use double buffering if needed > media: hantro: vp9: add support for legacy register set > media: hantro: move postproc enablement for old cores > media: dt-bindings: allwinner: document H6 Hantro G2 binding > media: hantro: Add support for Allwinner H6 > arm64: dts: allwinner: h6: Add Hantro G2 node > > .../media/allwinner,sun50i-h6-vpu-g2.yaml | 64 +++++++++++ > arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 9 ++ > drivers/staging/media/hantro/Kconfig | 10 +- > drivers/staging/media/hantro/Makefile | 3 + > drivers/staging/media/hantro/hantro.h | 7 ++ > drivers/staging/media/hantro/hantro_drv.c | 27 ++++- > drivers/staging/media/hantro/hantro_g2_regs.h | 20 ++++ > .../staging/media/hantro/hantro_g2_vp9_dec.c | 76 ++++++++++--- > drivers/staging/media/hantro/hantro_hw.h | 1 + > drivers/staging/media/hantro/sunxi_vpu_hw.c | 104 ++++++++++++++++++ > 10 files changed, 301 insertions(+), 20 deletions(-) > create mode 100644 Documentation/devicetree/bindings/media/ allwinner,sun50i-h6-vpu-g2.yaml > create mode 100644 drivers/staging/media/hantro/sunxi_vpu_hw.c > > -- > 2.34.0 > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel